1. Department of Olive and Olive Oil, Lebanese Agricultural Research Institute, Zahleh P.O. Box 287, Lebanon
2. Boustan Al Zaytoun, Subsidiary of Green and Pure, Aabra Village, Main Road, Aabra Saida 1600, Lebanon
3. Department of Chemistry and Biochemistry, Faculty of Arts and Sciences, Holy Spirit University of Kaslik, Jounieh P.O. Box 446, Lebanon
4. Food Industry and Agriculture Unit, ESIAM, Faculty of Engineering, Saint Joseph University of Beirut, Beirut P.O. Box 17-5208, Lebanon